Inventor · Kempen, DE

Markus Dugal

8Patents
2h-index
20Co-inventors
47Inventor score

Filing activity: Jan 10, 2003 → May 14, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US7692042B2 Process for preparing aniline Chemistry; Metallurgy 9 Active
US6770765B2 Catalyst Chemistry; Metallurgy 3 Expired
US10703713B2 Process for preparing an isocyanate Performing Operations; Transporting 1 Active
US10807084B2 Silica-based zinc catalysts, their preparation and use in the alkoxycarbonylation of amines Performing Operations; Transporting 0 Active
US7488850B2 Process for removing compounds containing phenolic hydroxy groups from aromatic amines Chemistry; Metallurgy 0 Active
US7271116B2 Catalyst Chemistry; Metallurgy 0 Expired
US7435853B2 Process for the production of di- and polyamines of the diphenylmethane series Chemistry; Metallurgy 0 Expired
US7456303B2 Catalyst Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.